Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (±20, 0); Foci: ( ±12, 0)
B. Vertices: (0, ±20); Foci: (0, ±16)
C. Vertices: (±12, 0); Foci: ( ±16, 0)
D. Vertices: (0, ±20); Foci: (0, ±12)
Answer: B
You might also like to view...
Solve the problem.A piece of land is shaped like a right triangle. Two people start at the right angle of the triangle at the same time, and walk at the same speed along different legs of the triangle. If the area formed by the positions of the two people and their starting point (the right angle) is changing at 
then how fast are the people moving when they are 
from the right angle? (Round your answer to two decimal places.)
A. 1.33 m/s B. 4.50 m/s C. 0.67 m/s D. 0.33 m/s
Use the quotient rule to simplify the expression.
A. 0
B. 
C. 
D. 
Solve the equation.-3n - 6 = 3
A. n = -6 B. n = 10 C. n = 3 D. n = -3
Solve the problem.The life span of a certain insect in days is uniformly distributed over the interval 
What is the probability an insect will live between the mean and one standard deviation above the mean?
A. 0.29 B. 0.25 C. 0.28 D. 0.79